metasploit | 28fd3a1d9087d7b103b7f6cfca002798b6365fe6ebcc66fa02dbb4a9e6378e71

max time kernel
13s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 02:53

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General

Target

run.js
Size

365KB
MD5

c4e9fc349d5c8b24c0ddb1533de2c16b
SHA1

147e938bd06709b3c20eea4ac461093d573be037
SHA256

28fd3a1d9087d7b103b7f6cfca002798b6365fe6ebcc66fa02dbb4a9e6378e71
SHA512

fd0cf6f434e665aabc91f6095394a08483990c12a0b6ad3a1bd820b740af0ddbc02bc0a2592be429c7488b3cd2889afad8f758b4258009dfe51e9faac76842be
SSDEEP

6144:Jnm5mwYxm+DzkzFIDIWCy49ezGywT7PDSzT3enlJ1BJ0exGqkIb1Taha6e2T6Huv:FnaIEWeqWdnlhJ+eHHu+1Qk3C+MAQ

Score

10^/10

metasploit backdoor bootkit persistence trojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

MetaSploit
Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.
trojan backdoor metasploit
Executes dropped EXE 2 IoCs

Processes:

rad79F04.exektmutil.exe

pid process

944 rad79F04.exe
1128 ktmutil.exe
Loads dropped DLL 1 IoCs

Processes:

rad79F04.exe

pid process

944 rad79F04.exe
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

ktmutil.exe

description ioc process

File opened for modification \??\PhysicalDrive0 ktmutil.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

ktmutil.exe

description pid process

Token: SeShutdownPrivilege 1128 ktmutil.exe

pid	process
944	rad79F04.exe
1128	ktmutil.exe

pid	process
944	rad79F04.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	ktmutil.exe

description	pid	process
Token: SeShutdownPrivilege	1128	ktmutil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

wscript.exerad79F04.exe

description	pid	process	target process
PID 1564 wrote to memory of 944	1564	wscript.exe	rad79F04.exe
PID 1564 wrote to memory of 944	1564	wscript.exe	rad79F04.exe
PID 1564 wrote to memory of 944	1564	wscript.exe	rad79F04.exe
PID 1564 wrote to memory of 944	1564	wscript.exe	rad79F04.exe
PID 944 wrote to memory of 1128	944	rad79F04.exe	ktmutil.exe
PID 944 wrote to memory of 1128	944	rad79F04.exe	ktmutil.exe
PID 944 wrote to memory of 1128	944	rad79F04.exe	ktmutil.exe
PID 944 wrote to memory of 1128	944	rad79F04.exe	ktmutil.exe

C:\Windows\system32\wscript.exe
wscript.exe C:\Users\Admin\AppData\Local\Temp\run.js
1⤵
- Suspicious use of WriteProcessMemory
PID:1564

C:\Users\Admin\AppData\Local\Temp\rad79F04.exe
"C:\Users\Admin\AppData\Local\Temp\rad79F04.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:944

C:\Users\Admin\AppData\Roaming\{248faa88-389b-4fd2-bf34-3778174de405}\ktmutil.exe
"C:\Users\Admin\AppData\Roaming\{248faa88-389b-4fd2-bf34-3778174de405}\ktmutil.exe"
3⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of AdjustPrivilegeToken
PID:1128

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rad79F04.exe
Filesize
254KB

MD5
e3b7d39be5e821b59636d0fe7c2944cc

SHA1
00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

SHA256
389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

SHA512
8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

Download Submit
C:\Users\Admin\AppData\Local\Temp\rad79F04.exe
Filesize
254KB

MD5
e3b7d39be5e821b59636d0fe7c2944cc

SHA1
00479a97e415e9b6a5dfb5d04f5d9244bc8fbe88

SHA256
389a7d395492c2da6f8abf5a8a7c49c3482f7844f77fe681808c71e961bcae97

SHA512
8f977c60658063051968049245512b6aea68dd89005d0eefde26e4b2757210e9e95aabcef9aee173f57614b52cfbac924d36516b7bc7d3a5cc67daae4dee3ad5

Download Submit
C:\Users\Admin\AppData\Roaming\{248faa88-389b-4fd2-bf34-3778174de405}\ktmutil.exe
Filesize
255KB

MD5
e5dc293deb7cd799a75bf01867890b74

SHA1
e85fc29c8b414eccbe01ec16d0afc147ea02a60a

SHA256
95579d35133eb6137d3dcf21d5c722bc9a30af8ff2ba066c740d5bc9444f2bc1

SHA512
f6917fe29b8a6aa4aaa60f28bae04739bb42136724751a79f61b7680e83e954ba0eed052228464d997a3c8999140ffe149d8df5c7f2439c6a9e6534f34c4d4d5

Download Submit
\Users\Admin\AppData\Roaming\{248faa88-389b-4fd2-bf34-3778174de405}\ktmutil.exe
Filesize
255KB

MD5
e5dc293deb7cd799a75bf01867890b74

SHA1
e85fc29c8b414eccbe01ec16d0afc147ea02a60a

SHA256
95579d35133eb6137d3dcf21d5c722bc9a30af8ff2ba066c740d5bc9444f2bc1

SHA512
f6917fe29b8a6aa4aaa60f28bae04739bb42136724751a79f61b7680e83e954ba0eed052228464d997a3c8999140ffe149d8df5c7f2439c6a9e6534f34c4d4d5

Download Submit
memory/944-55-0x0000000000000000-mapping.dmp

Download
memory/944-57-0x0000000075FB1000-0x0000000075FB3000-memory.dmp

Filesize
8KB

Download
memory/944-62-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/944-64-0x0000000000260000-0x000000000027A000-memory.dmp

Filesize
104KB

Download
memory/1128-60-0x0000000000000000-mapping.dmp

Download
memory/1128-65-0x00000000002F0000-0x000000000030A000-memory.dmp

Filesize
104KB

Download
memory/1564-54-0x000007FEFBCE1000-0x000007FEFBCE3000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis